Apsidiole
![An apse with two apsidoles at the orthodox cathedral of Jaroslavl in Russia](/Images/godic/202412/21/Yarspas1205.jpg")
An apsidole or absidiale is a small or secondary apse, one of the apses on either side of the main apse in a triapsidal church, or one of the apse-chapels when they project on the exterior of the church, particularly if the projection resembles an apse in shape.